| Vadim Bendebury | fea3a14 | 2015-05-28 18:53:22 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 The Chromium OS Authors. All rights reserved. |
| 3 | * Use of this source code is governed by a BSD-style license that can be |
| 4 | * found in the LICENSE file. |
| 5 | */ |
| 6 | |
| 7 | #ifndef __TPM2_CPRIECC_FP_H |
| 8 | #define __TPM2_CPRIECC_FP_H |
| 9 | |
| Vadim Bendebury | c00055c | 2015-05-29 22:50:18 -0700 | [diff] [blame] | 10 | LIB_EXPORT CRYPT_RESULT _cpri__C_2_2_KeyExchange( |
| 11 | TPMS_ECC_POINT *outZ1, // OUT: a computed point |
| 12 | TPMS_ECC_POINT *outZ2, // OUT: and optional second point |
| 13 | TPM_ECC_CURVE curveId, // IN: the curve for the computations |
| 14 | TPM_ALG_ID scheme, // IN: the key exchange scheme |
| 15 | TPM2B_ECC_PARAMETER *dsA, // IN: static private TPM key |
| 16 | TPM2B_ECC_PARAMETER *deA, // IN: ephemeral private TPM key |
| 17 | TPMS_ECC_POINT *QsB, // IN: static public party B key |
| 18 | TPMS_ECC_POINT *QeB // IN: ephemeral public party B key |
| 19 | ); |
| 20 | LIB_EXPORT CRYPT_RESULT _cpri__C_2_2_KeyExchange( |
| 21 | TPMS_ECC_POINT *outZ1, // OUT: a computed point |
| 22 | TPMS_ECC_POINT *outZ2, // OUT: and optional second point |
| 23 | TPM_ECC_CURVE curveId, // IN: the curve for the computations |
| 24 | TPM_ALG_ID scheme, // IN: the key exchange scheme |
| 25 | TPM2B_ECC_PARAMETER *dsA, // IN: static private TPM key |
| 26 | TPM2B_ECC_PARAMETER *deA, // IN: ephemeral private TPM key |
| 27 | TPMS_ECC_POINT *QsB, // IN: static public party B key |
| 28 | TPMS_ECC_POINT *QeB // IN: ephemeral public party B key |
| 29 | ); |
| 30 | LIB_EXPORT CRYPT_RESULT _cpri__EccCommitCompute( |
| 31 | TPMS_ECC_POINT *K, // OUT: [d]B or [r]Q |
| 32 | TPMS_ECC_POINT *L, // OUT: [r]B |
| 33 | TPMS_ECC_POINT *E, // OUT: [r]M |
| 34 | TPM_ECC_CURVE curveId, // IN: the curve for the computations |
| 35 | TPMS_ECC_POINT *M, // IN: M (optional) |
| 36 | TPMS_ECC_POINT *B, // IN: B (optional) |
| 37 | TPM2B_ECC_PARAMETER *d, // IN: d (required) |
| 38 | TPM2B_ECC_PARAMETER *r // IN: the computed r value (required) |
| 39 | ); |
| 40 | LIB_EXPORT UINT32 _cpri__EccGetCurveCount( |
| 41 | void |
| 42 | ); |
| 43 | LIB_EXPORT const ECC_CURVE * _cpri__EccGetParametersByCurveId( |
| 44 | TPM_ECC_CURVE curveId // IN: the curveID |
| 45 | ); |
| 46 | LIB_EXPORT CRYPT_RESULT _cpri__EccPointMultiply( |
| 47 | TPMS_ECC_POINT *Rout, // OUT: the product point R |
| 48 | TPM_ECC_CURVE curveId, // IN: the curve to use |
| 49 | TPM2B_ECC_PARAMETER *dIn, // IN: value to multiply against the |
| 50 | // curve generator |
| 51 | TPMS_ECC_POINT *Qin, // IN: point Q |
| 52 | TPM2B_ECC_PARAMETER *uIn // IN: scalar value for the multiplier |
| 53 | // of Q |
| 54 | ); |
| Vadim Bendebury | 0a05071 | 2015-05-29 11:35:04 -0700 | [diff] [blame] | 55 | LIB_EXPORT BOOL _cpri__EccIsPointOnCurve( |
| 56 | TPM_ECC_CURVE curveId, // IN: the curve selector |
| 57 | TPMS_ECC_POINT *Q // IN: the point. |
| 58 | ); |
| Vadim Bendebury | c00055c | 2015-05-29 22:50:18 -0700 | [diff] [blame] | 59 | LIB_EXPORT CRYPT_RESULT _cpri__GenerateKeyEcc( |
| 60 | TPMS_ECC_POINT *Qout, // OUT: the public point |
| 61 | TPM2B_ECC_PARAMETER *dOut, // OUT: the private scalar |
| 62 | TPM_ECC_CURVE curveId, // IN: the curve identifier |
| 63 | TPM_ALG_ID hashAlg, // IN: hash algorithm to use in the key |
| 64 | // generation process |
| 65 | TPM2B *seed, // IN: the seed to use |
| 66 | const char *label, // IN: A label for the generation |
| 67 | // process. |
| 68 | TPM2B *extra, // IN: Party 1 data for the KDF |
| 69 | UINT32 *counter // IN/OUT: Counter value to allow KDF |
| 70 | // iteration to be propagated across |
| 71 | // multiple functions |
| 72 | ); |
| 73 | LIB_EXPORT TPM_ECC_CURVE _cpri__GetCurveIdByIndex( |
| 74 | UINT16 i |
| 75 | ); |
| 76 | LIB_EXPORT CRYPT_RESULT _cpri__GetEphemeralEcc( |
| 77 | TPMS_ECC_POINT *Qout, // OUT: the public point |
| 78 | TPM2B_ECC_PARAMETER *dOut, // OUT: the private scalar |
| 79 | TPM_ECC_CURVE curveId // IN: the curve for the key |
| 80 | ); |
| 81 | LIB_EXPORT CRYPT_RESULT _cpri__SignEcc( |
| 82 | TPM2B_ECC_PARAMETER *rOut, // OUT: r component of the signature |
| 83 | TPM2B_ECC_PARAMETER *sOut, // OUT: s component of the signature |
| 84 | TPM_ALG_ID scheme, // IN: the scheme selector |
| 85 | TPM_ALG_ID hashAlg, // IN: the hash algorithm if need |
| 86 | TPM_ECC_CURVE curveId, // IN: the curve used in the signature |
| 87 | // process |
| 88 | TPM2B_ECC_PARAMETER *dIn, // IN: the private key |
| 89 | TPM2B *digest, // IN: the digest to sign |
| 90 | TPM2B_ECC_PARAMETER *kIn // IN: k for input |
| 91 | ); |
| Vadim Bendebury | fea3a14 | 2015-05-28 18:53:22 -0700 | [diff] [blame] | 92 | LIB_EXPORT BOOL _cpri__EccStartup(void); |
| Vadim Bendebury | c00055c | 2015-05-29 22:50:18 -0700 | [diff] [blame] | 93 | LIB_EXPORT CRYPT_RESULT _cpri__ValidateSignatureEcc( |
| 94 | TPM2B_ECC_PARAMETER *rIn, // IN: r component of the signature |
| 95 | TPM2B_ECC_PARAMETER *sIn, // IN: s component of the signature |
| 96 | TPM_ALG_ID scheme, // IN: the scheme selector |
| 97 | TPM_ALG_ID hashAlg, // IN: the hash algorithm used (not used |
| 98 | // in all schemes) |
| 99 | TPM_ECC_CURVE curveId, // IN: the curve used in the signature |
| 100 | // process |
| 101 | TPMS_ECC_POINT *Qin, // IN: the public point of the key |
| 102 | TPM2B *digest // IN: the digest that was signed |
| 103 | ); |
| Vadim Bendebury | fea3a14 | 2015-05-28 18:53:22 -0700 | [diff] [blame] | 104 | |
| 105 | #endif // __TPM2_CPRIECC_FP_H |